Abstract
In previous work, we have studied some enzymatic activities of various morphological kinds of stable L forms derived from Proteus P 18 (ref. 1). These enzymatic activities were highest in the fraction of small size (fraction 3, 1.9–3.8 µ) and lowest or absent in fraction 4(≦0.95 µ) containing the smallest forms invisible with the phase-contrast microscope.
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MANDEL, P., SENSENBRENNER, M., DE GREGORIO, P. et al. Distribution of Nucleic Acids among Different Stable L Forms of Proteus P 18. Nature 184, 566 (1959). https://doi.org/10.1038/184566a0
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DOI: https://doi.org/10.1038/184566a0
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